(martin) pt vs eta correction matrix calculation macro using CorrectionMatrix2D class.

[u/mrichter/AliRoot.git] / EVGEN / AliGenBeamGas.cxx

diff --git a/EVGEN/AliGenBeamGas.cxx b/EVGEN/AliGenBeamGas.cxx
index 8ce4cebfe979bb2890965756c4eb4924ea2891a5..a5eea6cce49390448f5e6f6ef1cfc95d40037dc6 100644 (file)
--- a/EVGEN/AliGenBeamGas.cxx
+++ b/EVGEN/AliGenBeamGas.cxx
@@ -19,20 +19,18 @@
 // Generator to simulate beam gas interactions.
 // At present single interactions are read from an external file. 
 // Several interactions are combined in one event.
-
+// By default the vertex is smeared between +/- 20 m
+// Author: andreas.morsch@cern.ch
 
 #include "AliGenBeamGas.h"
-#include "AliRun.h"
 
 #include <TParticle.h>
-#include <TFile.h>
-#include <TTree.h>
 
 
- ClassImp(AliGenBeamGas)
+ClassImp(AliGenBeamGas)
 
 AliGenBeamGas::AliGenBeamGas()
-  :AliGenExtFile()
+    :AliGenExtFile()
 {
 //  Constructor
 //
@@ -42,9 +40,11 @@ AliGenBeamGas::AliGenBeamGas()
     fOsigma[2] = 2000.;
 }
 
-AliGenBeamGas::AliGenBeamGas(const AliGenBeamGas & ExtFile)
+AliGenBeamGas::AliGenBeamGas(const AliGenBeamGas & beamgas):
+    AliGenExtFile(beamgas)
 {
-// copy constructor
+// Copy constructor
+    beamgas.Copy(*this);
 }
 //____________________________________________________________
 
@@ -108,7 +108,7 @@ void AliGenBeamGas::Generate()
          Int_t idpart     = iparticle->GetPdgCode();
          Int_t decayed    = iparticle->GetFirstDaughter();
          Int_t doTracking = fTrackIt && (decayed < 0) && (TMath::Abs(idpart) > 10);
-         SetTrack(doTracking,-1,idpart,p,origin,polar,0,kPPrimary,nt);
+         PushTrack(doTracking,-1,idpart,p,origin,polar,0,kPPrimary,nt);
          KeepTrack(nt);
       } // track loop
       nInt++;
@@ -120,13 +120,14 @@ void AliGenBeamGas::Generate()
 }
 
 
-//AliGenBeamGas& AliGenBeamGas::operator=(const  AliGenBeamGas& rhs)
-//{
-// Assignment operator
-//    return *this;
-//}
-
 
+void AliGenBeamGas::Copy(TObject&) const
+{
+    //
+    // Copy 
+    //
+    Fatal("Copy","Not implemented!\n");
+}